EP1090781A3 - Studless tyre - Google Patents

Studless tyre Download PDF

Info

Publication number
EP1090781A3
EP1090781A3 EP00308791A EP00308791A EP1090781A3 EP 1090781 A3 EP1090781 A3 EP 1090781A3 EP 00308791 A EP00308791 A EP 00308791A EP 00308791 A EP00308791 A EP 00308791A EP 1090781 A3 EP1090781 A3 EP 1090781A3
Authority
EP
European Patent Office
Prior art keywords
depth
sipes
rib
mid
range
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00308791A
Other languages
German (de)
French (fr)
Other versions
EP1090781B1 (en
EP1090781A2 (en
Inventor
Nobuaki c/o Sumitomo Rubber Ind. Ltd. Minami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Rubber Industries Ltd
Original Assignee
Sumitomo Rubber Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP28600899A external-priority patent/JP3273771B2/en
Priority claimed from JP34806299A external-priority patent/JP3273772B2/en
Application filed by Sumitomo Rubber Industries Ltd filed Critical Sumitomo Rubber Industries Ltd
Publication of EP1090781A2 publication Critical patent/EP1090781A2/en
Publication of EP1090781A3 publication Critical patent/EP1090781A3/en
Application granted granted Critical
Publication of EP1090781B1 publication Critical patent/EP1090781B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/0306—Patterns comprising block rows or discontinuous ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/11—Tread patterns in which the raised area of the pattern consists only of isolated elements, e.g. blocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
    • B60C11/1259—Depth of the sipe
    • B60C11/1263—Depth of the sipe different within the same sipe
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
    • B60C11/1204—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe
    • B60C2011/1213—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe sinusoidal or zigzag at the tread surface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S152/00—Resilient tires and wheels
    • Y10S152/03—Slits in threads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

A studless tyre comprises a tread (2) provided with a plurality of blocks (B) and at least one rib (6) provided with first sipes (10) and second sipes (11) each extending across the rib (6). The first sipes (10) and second sipes (11) are alternately arranged in the longitudinal direction of the rib (6) at circumferential pitches Pc in a range of from 0.028 to 0.04 times a ground contacting width (W) of the tread. Each of the first sipes (10) and second sipes (11) comprises a deep central part (10A, 11A), a shallow part (10C, 11C) on one side thereof and a mid-depth part (10B,11B) on the other side thereof, wherein the deep central part (10A, 11A) has a depth (Ds3) in a range of from 0.070 to 0.80 times a depth (D) of a main longitudinal groove (3) defining the rib (6), the mid-depth part (10B, 11B) has a depth (Ds2) being in a range of from 0.040 to 0.060 times the depth (D) of the main longitudinal groove (3), and the shallow part (10C, 11C) has a depth (Ds1) in a range of from 0.04 to 0.35 times the depth (D) of the main longitudinal groove (3). The shallow part (10C, 11C) and mid-depth part (10B, 11B) of each first sipe (10) are positionally reverse to those of the second sipes (11) so that, on each side of the rib (6), the shallow parts (10C, 11C) alternate with the mid-depth parts (10B, 11B).
EP00308791A 1999-10-06 2000-10-05 Studless tyre Expired - Lifetime EP1090781B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP28600899A JP3273771B2 (en) 1999-10-06 1999-10-06 Pneumatic tire
JP28600899 1999-10-06
JP34806299 1999-12-07
JP34806299A JP3273772B2 (en) 1999-12-07 1999-12-07 studless tire

Publications (3)

Publication Number Publication Date
EP1090781A2 EP1090781A2 (en) 2001-04-11
EP1090781A3 true EP1090781A3 (en) 2002-02-13
EP1090781B1 EP1090781B1 (en) 2005-01-12

Family

ID=26556123

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00308791A Expired - Lifetime EP1090781B1 (en) 1999-10-06 2000-10-05 Studless tyre

Country Status (3)

Country Link
US (1) US6554034B1 (en)
EP (1) EP1090781B1 (en)
DE (1) DE60017329T2 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3517404B2 (en) * 2001-06-29 2004-04-12 住友ゴム工業株式会社 studless tire
US7028733B2 (en) * 2003-06-23 2006-04-18 The Goodyear Tire & Rubber Company Pneumatic tire having circumferentially extending rib with chamfers
US6968881B2 (en) 2003-06-23 2005-11-29 The Goodyear Tire & Rubber Company Pneumatic tire including steeply slanted grooves, rib having sipes and blocks having sipes
BRPI0622016A2 (en) * 2006-10-31 2011-12-20 Michelin Rech Tech tread, tread mold and retreaded tire
US8277589B2 (en) * 2006-11-29 2012-10-02 Michelin Recherche Et Technique S.A. Method of retreading a tire
JP4223064B2 (en) * 2007-06-12 2009-02-12 横浜ゴム株式会社 Pneumatic tire
JP2009012648A (en) 2007-07-05 2009-01-22 Bridgestone Corp Pneumatic radial tire
DE102008029658A1 (en) * 2008-06-24 2009-12-31 Continental Aktiengesellschaft Vehicle tires
JP4397956B1 (en) * 2008-07-02 2010-01-13 横浜ゴム株式会社 Pneumatic tire
JP4548534B2 (en) * 2008-09-01 2010-09-22 横浜ゴム株式会社 Pneumatic tire
JP4442709B2 (en) * 2008-09-12 2010-03-31 横浜ゴム株式会社 Pneumatic tire
BRPI0823362B1 (en) * 2008-12-10 2020-09-01 Pirelli Tyre S.P.A. MOTOR VEHICLE TIRE
US20110284141A1 (en) * 2010-05-21 2011-11-24 Continental Tire North America, Inc. Rotating Sipe
DE102010060933A1 (en) * 2010-12-01 2012-06-06 Continental Reifen Deutschland Gmbh Vehicle tires
US8689843B2 (en) 2011-12-14 2014-04-08 Bridgestone Americas Tire Operations, Llc Snow performance peaks
CN103129322B (en) * 2013-02-08 2015-12-02 广州丰力橡胶轮胎有限公司 A kind of tire
JP6561752B2 (en) * 2015-10-09 2019-08-21 住友ゴム工業株式会社 tire
EP3984779A1 (en) * 2016-12-19 2022-04-20 Nokian Renkaat Oyj A pneumatic tire, a tread band, and a tread block comprising a sipe, and a lamella plate for the manufacture thereof
JP6988349B2 (en) * 2017-10-05 2022-01-05 住友ゴム工業株式会社 tire
US11167596B2 (en) * 2017-11-27 2021-11-09 Sumitomo Rubber Industries, Ltd. Tire
EP3351408B1 (en) * 2018-01-05 2020-09-09 Nokian Renkaat Oyj A tread block arrangement having a sipe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0632115A (en) * 1992-07-20 1994-02-08 Bridgestone Corp Pneumatic tire
US5814169A (en) * 1993-11-18 1998-09-29 Bridgestone Corporation Pneumatic tire including sipes
EP0882606A2 (en) * 1997-06-02 1998-12-09 Bridgestone Corporation Pneumatic tyre

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB488496A (en) * 1937-01-05 1938-07-05 Firestone Tire & Rubber Co Improvements in or relating to tyres for vehicle wheels
US2302027A (en) * 1940-08-09 1942-11-17 Us Rubber Co Pneumatic tire
JPH0392403A (en) * 1989-09-04 1991-04-17 Bridgestone Corp Pneumatic tire having block pattern with sipe
JP3519473B2 (en) * 1994-12-07 2004-04-12 株式会社ブリヂストン Pneumatic tire for running on ice and snow
JP4035177B2 (en) * 1995-12-14 2008-01-16 株式会社ブリヂストン Studless pneumatic tire
JP3100123B2 (en) * 1996-07-24 2000-10-16 住友ゴム工業株式会社 Pneumatic tire
JP3337415B2 (en) * 1998-03-04 2002-10-21 住友ゴム工業株式会社 Pneumatic tire suitable for running on ice

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0632115A (en) * 1992-07-20 1994-02-08 Bridgestone Corp Pneumatic tire
US5814169A (en) * 1993-11-18 1998-09-29 Bridgestone Corporation Pneumatic tire including sipes
EP0882606A2 (en) * 1997-06-02 1998-12-09 Bridgestone Corporation Pneumatic tyre

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 018, no. 245 (M - 1603) 11 May 1994 (1994-05-11) *

Also Published As

Publication number Publication date
EP1090781B1 (en) 2005-01-12
DE60017329D1 (en) 2005-02-17
DE60017329T2 (en) 2005-12-01
US6554034B1 (en) 2003-04-29
EP1090781A2 (en) 2001-04-11

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